180=(2x-20)+(x+40)+(2x+20)

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Solution for 180=(2x-20)+(x+40)+(2x+20) equation: 



180=(2x-20)+(x+40)+(2x+20)

We move all terms to the left:

180-((2x-20)+(x+40)+(2x+20))=0



We calculate terms in parentheses: -((2x-20)+(x+40)+(2x+20)), so:

(2x-20)+(x+40)+(2x+20)

We get rid of parentheses

2x+x+2x-20+40+20

We add all the numbers together, and all the variables

5x+40

Back to the equation:

-(5x+40)



We get rid of parentheses

-5x-40+180=0

We add all the numbers together, and all the variables

-5x+140=0

We move all terms containing x to the left, all other terms to the right

-5x=-140

x=-140/-5

x=+28

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